If the function \(f\) is defined by f(x)=x+22x1ifififx>11x13<x<1; calculate the values of
 
(i) \(f(5)\) \(=\)
 
(ii) \(f(-1)\) \(=\)
 
(iii) \(f(-1.5)\) \(=\)
 
(iv) \(f(2) + f(-2)\) \(=\)